The death toll in a car-ramming attack at a Christmas market in the German city of Magdeburg has risen to four people, and 41 others were gravely injured, the Bild newspaper reported on Saturday.Eighty-six people are receiving hospital treatment for serious injuries incurred in the incident on Friday evening in the central city, while another 78 sustained minor injuries, the report said.For all the latest headlines follow our Google News channel online or via the app.Police were not immediately available to comment on casualties. Local officials had initially said it least two people were killed and had warned that the toll could rise.Read more:German leader to visit site of deadly Christmas market attack